Systems Administrator II (Digital Ecosystem)

Saic; San Diego (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

SAIC is seeking a System Administrator II to support Windows, Linux, virtualization, network, and tactical computing environments onsite in San Diego, CA. Role involves patching, backups, monitoring, and end-user support with up to 5% travel. Requires US citizenship and an active Secret clearance with ability to obtain TS/SCI.

Candidate will collaborate with IT, cybersecurity, engineering, and operational teams to sustain secure, mission-ready systems in fast-moving environments.

Qualifications

• Bachelor's degree and 2+ years of experience, or Master's with 0 years related experience
• U.S. Citizen with an Active Secret Clearance to start
• Ability to obtain TS/SCI after start
• Experience as system administrator or related technical role
• Proficient with Linux command line for admin tasks
• Experience supporting Windows and Linux OS, patching, monitoring
• Strong problem-solving and communication skills

Responsibilities

• Administer and maintain Windows, Linux, ESXi, network, and tactical computing environments.
• Support patching, vulnerability remediation, security hardening, access control, and audit-ready documentation.
• Monitor server, network, and system performance and troubleshoot issues.
• Assist with backup and recovery procedures and document actions.
• Provide end-user and technical team support and coordinate follow-ups.
• Assist with network infrastructure support including routers, firewalls, VPNs.
• Support tactical systems and data environments including edge servers and containers.
• Maintain system documentation, inventories, and End-of-Life planning inputs.

Skills

Linux command line

Windows administration

Networking concepts

Security patching

Scripting (Bash/Python)

Cloud services (AWS/Azure)

Education

Bachelor's degree or higher

Tools

VMware ESXi

Docker

Kubernetes

VPNs

Firewalls

Job description

Description

SAIC is seeking a motivated and technically capable System Administrator II to support the administration, monitoring, troubleshooting, and sustainment of Windows, Linux, virtualization, network, and tactical computing environments. This mid-level role supports day-to-day system operations, user support, vulnerability remediation, patching, backup and recovery, system documentation, and performance monitoring across enterprise and mission-focused environments. The candidate will work with IT, cybersecurity, engineering, data, and operational teams to help maintain secure, reliable, and mission-ready systems. The role requires strong problem-solving skills, collaborative communication, and the ability to support both traditional IT infrastructure and tactical systems in a fast-moving technical environment.

THIS IS AN ONSITE ROLE IN SAN DIEGO, CA. WITH UP TO 5% OF TRAVEL INVOLVED

JOB DUTIES:

• Administer and maintain Windows, Linux, ESXi, network, and tactical computing environments by supporting installation, configuration, updates, monitoring, and troubleshooting activities.
• Support system security and compliance activities by assisting with patching, vulnerability remediation, security hardening, access control, cybersecurity guidelines, and audit-ready documentation.
• Monitor server, network, and system performance by identifying issues, troubleshooting problems, supporting optimization efforts, and escalating complex technical risks as needed.
• Support backup and recovery procedures by helping maintain data protection processes, validating system availability, and documenting recovery actions.
• Provide end-user and technical team support by resolving system-related issues, answering technical questions, documenting troubleshooting steps, and coordinating follow-up actions.
• Assist with network infrastructure support by helping maintain routers, firewalls, VPNs, and related network devices in coordination with senior administrators and engineering teams.
• Support tactical systems and data environments by assisting with troubleshooting, tactical data pipeline monitoring, edge server operations, embedded GPU environments, and containerized workloads.
• Maintain system documentation, configuration records, software inventories, license tracking, hardware tracking, and End-of-Life planning inputs to support infrastructure visibility and sustainment.

Qualifications

REQUIREMENTS:

• Bachelors and two (2) years or more experience; Masters and 0 years related experience
• Must be a U.S. Citizen
• Must have an Active Secret Clearance to start
• Must be able to obtain a TS/SCI after start
• Experience working as a system administrator, IT specialist, network administrator, data engineer, database administrator, software engineer, machine learning engineer, geospatial engineer, or related technical role.
• Intermediate experience using the Linux command line to support system administration, troubleshooting, file management, process management, and technical operations.
• Experience supporting Windows and Linux operating systems, system configuration, user support, patching, monitoring, and troubleshooting activities.
• Understanding of networking concepts and protocols such as TCP/IP, DNS, DHCP, VPNs, ports, routing, and firewall concepts.
• Experience supporting cybersecurity, access control, vulnerability remediation, system hardening, patching, or secure configuration activities.
• Strong problem-solving, analytical, time management, and multitasking skills in a dynamic technical environment.
• Excellent written and verbal communication skills with the ability to work effectively with IT, cyber, engineering, data, and operational stakeholders.

DESIRED SKILLS:

• Security + certification preferred
• Familiarity with virtualization and containerization technologies such as VMware, Docker, Kubernetes, or related platforms.
• Familiarity with edge servers, embedded GPUs, tactical computing hardware, Jetson Nano, DGX Spark, or similar mission hardware.
• Experience troubleshooting tactical systems or supporting tactical data pipelines, including deployment, monitoring, sustainment, or improvement activities.
• Familiarity with security assessment tools, vulnerability scanning tools, CMMC compliance concepts, DISA STIG guidance, operating system hardening, and network hardening.
• Familiarity with shell scripting, automation, or configuration tools such as Bash, Python, Ansible, PowerShell, or similar technologies.
• Familiarity with cloud and enterprise services such as Amazon Web Services, GCC High, Microsoft 365, Azure, Intune, or related environments.
• Previous experience working with government agencies, Navy organizations, military users, or Department of War mission environments.
• Passion for staying current with advancements in tactical data architecture, system administration, cybersecurity, and mission infrastructure technologies.

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.